| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1.7%
|
| 2 | 2 |
0.7%
|
|
| 3 | 12 |
4.1%
|
|
| 4 | 15 |
5.1%
|
|
| 5 | 30 |
10.1%
|
|
| 6 | 34 |
11.5%
|
|
| 7 | 58 |
19.6%
|
|
| 8 | 59 |
19.9%
|
|
| 9 | 41 |
13.9%
|
|
| 10 | Very effective | 40 |
13.5%
|
| -99 | 2 | ||
| 11 | Don't know | 30 | |
| Sysmiss | 24 |